### Home > CCA2 > Chapter 12 > Lesson 12.1.4 > Problem 12-68

12-68.

Solve each equation below for

*x*if −2*π*≤*x*≤ 2*π*. Homework Help ✎4 sin

^{2}(*x*) = 13 tan

^{2}(*x*) = 1

Divide both sides by 4.

Take the square root of both sides to solve for sin(x).

Find the corresponding angles on the unit circle.

Follow the steps in part (a).